Air-forcing device for ventilation or similar uses.



No. 733,223. PATENTED JULY 7, 1903. JEAN B. LE EEATLDIT LHEUREUX & JOSEPH LE REAU- DIT LHEUREUX.

AIR FORGING DEVICE FOR VENTILATION AND SIMILAR USES.

APPLICATION FILED JULY 18, 1902.

H0 MODEL.

TNE scams vzrzns cd. PHCYOJJTHO, msnmomra, u. c.

UNITED STATES Patented July '7, 1903.

PATENT OFFICE.

JEAN B. LE REAU, 'DIT LHEUREUX, OF DETROIT, MICHIGAN, AND JOSEPH LE BEAU, DIT LHEUREUX, or WINDSOR, CANADA.

AIR-FORCING DEVICE FOR VENTILATION OR SIMILAR USES.

SPEUIFICATION forming part of Letters Patent N 0. 733,223, dated July 7, 1903.

Application filed July 18,1902. Serial No.116.038. (N0 model.)

To all whom it may concern.-

Be it known that we, JEAN B. LE REAU, dit LHEUREUX, a citizen of the United States, residing at Detroit, county of lVayne, State of .llichigamand JosEPH LE BEAU, dit LHEU- REUX, a subject of the King of Great Britain, residing at \Vindsor, county of Essex, and Province of Ontario, Canada, have invented a certain new and useful Improvement in Air- Forcing Devices for Ventilation or Similar Uses; and we declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it pertains to make and use the same, reference being had to the accompanyin g drawings, which form a part of this specification.

This invention relates to ejector and injector ventilators, and has for its object an improved device arranged to produce a flow of air into or out of a room.

The air-flow is produced by ajet of water which is thrown under hydrostatic pressure from a peculiarly-coustructed nozzle through a chamber into which there is an openin g for the ingress of air and from which there is an opening for the egress of air. After having performed that function the water is allowed to flow to any convenient discharge.

In the drawings, Figure 1 is a longitudinal vertical section. Fig. 2 is a cross-section at the line of Fig. 1. Fig. 3 is a detail of a part of the spray-nozzle.

A indicates the walls of a chamber, preferably round in cross-section and provided at one end with an inlet-opening B, arranged to be connected to any chamber from which it is desired to draw air or from which it is desired to produce a flow of air or to the outside air when used as an injector.

At the end of the chamber A which is opposite the inlet B the chamber is extended vertically upward and provided with an egress-pipe D, that leads to any suitable discharge-opening. Through the end wall E of the chamber is inserted the conical nozzle to of a water-pipe F. The conical nozzle contracts toward that end of it from which the water emerges, and the opening therefrom is small. In the opening and extending back into the nozzle is inserted a rod Z), which is provided at that part of it which projects from the nozzle with a conical terminal 0. The base or large end of the conical terminal 0 is at the end which is farthest from the end of the nozzle (1, and between the rod 1) and the mouth of the nozzle a is a small annular passage d. The placing of this longitudinal partition g in the bottom of the casing A affords" a passageway to drain the waste water into the sewerage system. It also brings the nozzle a into an eccentric position with relation to the axis of the chambers S, the eccentricity being equal to the height of the said partition above the bottom of the chambers. The taper of the cone 0 is such that the conical sheet of water in the upper half of the chamber S passes out without impinging 011 the upper half of the chamber before entering the delivery-chamber D, as shown by the dotted line, whereas the lower half of the conical sheet of water having a less distance to travel impinges on the top of the partition g and is deflected upward and onward into the lower part of the chamber D with an upward impulse, entrainiug a large volume of air and arresting any tendency of the air to drop down and flow back through the passage. The waste water then drops into the bottom of the chamber, which may be slightly sunken or pitted, as shown, and flows back to the air-' inlet B through wasteway under the partition or be trapped off through an intermediate outlet made in the bottom of the body A. The thickness of the hollow conical water-jet and its force may be varied by adjusting the nozzle-cone in any convenient manner. The film or jet of water strikes the end wall 6 and the water gathers and runs back under a partition g, that lies horizontally across the lower part of the chamber S.

The device may be employed in any position where it is desired to forcibly draw the air from a chamber where it is possible to secure the assistance of a small stream of water under hydrostatic pressure. When used as an injector, the inlet B is connected with the place from which it is desired to draw the air and the egress-pipe opens into the room. The air is forced over and through the water-jet, thus purifying and cooling the air before it enters the room.

Vhat we claim is 1. In a ventilating device, a horizontallydisposed tubular casing having an air-inlet at one end and an air-outlet at its opposite end, a water-jet nozzle in said casing arranged longitudinally thereof, a cone at the discharge end of said nozzle gradually contracting toward said discharge end, and a longitudinal partition in the bottom of the casing forming an outlet-conductor for the water, a wall of said casing toward the exit end thereof and beyond the return-passage projecting across the path of the water-jet to break said jet, sub stantially as and for the purpose described.

2. In a ventilating device, a horizontallydisposed tubular casing having an air-inlet at one end and an air-outlet at its opposite end, a water-jet nozzle in said casing arranged longitudinally thereof, said nozzle gradually contracting toward its discharge end, and a longitudinal partition in the bottom of the casing forming an outlet-conductor for the water, a wall of said casing toward the exit end thereof and beyond the return-passage projecting across the path of the water-jet to break the jet, substantially as and for the purpose described.

In a ventilating device, a horizontallydisposed tubular casing having an air-inlet at one end and an outlet at its opposite end, a wall of said casing toward the exit end thereof projecting across the path of discharge through the casing, a water jet nozzle arranged longitudinally thereof, means at the discharge end of said nozzle for deflecting the jet therefrom, and a partition in the bottom of said casing forming an outlet-conductor for the water, said partition being arranged to also act as a deflector for throwing that portion of the water-jet directed thereto onto said obstructing-wall of the casing, substantially as and for the purpose described.

4. In a ventilating device, a horizontallydisposed tubular casin g having an air-inlet at one end and an outlet at its opposite end, a wall of said casing toward the exit end thereof projecting across the path of V discharge through the casing, an eccentrically-disposed water jet nozzle arranged longitudinally thereof, means at the discharge end of said nozzle for deflecting the jet therefrom, and a partition in the bottom of said casing forming an outlet-conductor for the water, said partition being arranged to also act as a deflector for throwing that portion of the water-jet directed thereto onto said obstructing-wall of the casing, substantially as and for the purpose set forth.

In testimony whereof we sign this speci fleation in the presence of two witnesses.

JEAN B. LE REAU, DIT LHEUREUX, JOSEPH LE BEAU, Dl'l LHEUREUX.

Witnesses:

FRANK HOWARD, L. K. MAHoN. 

